Bump specberus from 6.0.4 to 6.0.5
Bump specberus from 6.0.4 to 6.0.5

Bumps [specberus](https://github.com/w3c/specberus) from 6.0.4 to 6.0.5.
- [Release notes](https://github.com/w3c/specberus/releases)
- [Commits](https://github.com/w3c/specberus/compare/v6.0.4...v6.0.5)

---
updated-dependencies:
- dependency-name: specberus
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>
w3c/echidna,w3c/echidna,w3c/echidna